Arlen Ness
Arlen Ness, Stage 1 Billet Sucker air cleaner kit
Arlen Ness, Stage 1 Billet Sucker air cleaner kit
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With Scalloped Black anodized billet cover. Air filter element is pre-oiled with black oil. The exposed air filter element gives it good looks and excellent breathing capabilities. Big Sucker™ Stage 1 air cleaners are engineered and proven to give your engine maximum airflow for more horsepower & torque. The patented hidden breather backing plate is O-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system; eliminating the need for any external hoses or hardware. - Increases horsepower & torque - Patented hidden breather technology - Pre-oiled high performance cotton gauze filter element - One-piece aluminum backing plate - Radius air inlet for unobstructed airflow- Replacement air filter elements 959594 (black filter) / 959598 (Red filter) - Optional rain sock 595629
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Why buy from Forty5°
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Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.